diff --git a/b b/b
index ea8debfec50310d57896c206dd537209608e63df..6abf0a22c47876aca1d1ce07b22b1baa65b306af 160000
--- a/b
+++ b/b
@@ -1 +1 @@
-Subproject commit ea8debfec50310d57896c206dd537209608e63df
+Subproject commit 6abf0a22c47876aca1d1ce07b22b1baa65b306af
diff --git a/dox/notes_B b/dox/notes_B
index 62e8b303392e58ea08f85e9c5a11c2159baeb5d4..6a794f9420bc09aca4436b5343649c1648cfcee5 100644
--- a/dox/notes_B
+++ b/dox/notes_B
@@ -103,6 +103,15 @@ api > cam > feature (settings like exposuretime or pixelformat)
 									 > ancillary data (cam settings at time of acquisition -> can be queried via feature access)
 api > interface > settings/feature
 
+Features:
+	> frame:
+		> ChunkAcquisionFrameCount #nFrames from cur acquisition
+		>	ChunkExposureTime, ChunkGain
+	> system:
+		>
+	> cam:
+		> Width, Height
+
 frames = img data + ancillaryData
 	> create by api and queue in cam
 	> when image is rcv, frame will be filled -> notification
@@ -144,7 +153,7 @@ Vimba API *captures* images <> camera *acquires* images
 	cam.EndCapture()
 	cam.FlushQueue()
 	cam.RevokeAllFrames()
->> conveninence funcs()
+>> convenience funcs()
 
 1 buffer 					|	X buffers
 restrained fps 		|	unrestrained fps
diff --git a/dox/scrap b/dox/scrap
index b6f83b88aa2951c6e7adaf5005ce4d31e7bcb7c9..d556d52021a9a91db1a86be1486fad0c054ffeaf 100644
--- a/dox/scrap
+++ b/dox/scrap
@@ -30,3 +30,12 @@ if ( VmbErrorSuccess == camera . Close () )
 
     // sys->OpenCameraByID
     // ID can be IP / MAC / ID
+
+
+class FrameObserver : public QObject, virtual public IFrameObserver
+// virtual inheritance??
+
+
+//adjust fixed size
+        // ui->tw_cams->setSizes( ui->tw_cams->sizeHint() )
+        // ui->tw_cams->setFixedSize(ui->tw_cams->sizeHintForColumn(0) + ui->tw_cams->frameWidth() * 2, ui->tw_cams->sizeHintForRow(0) * ui->tw_cams->count() + 2 * ui->tw_cams->frameWidth());